CVE-2011-5325: Path Traversal
First published: Thu Oct 22 2015(Updated: )
A path traversal vulnerability was found in Busybox implementation of tar. tar will extract a symlink that points outside of the current working directory and then follow that symlink when extracting other files. This allows for a directory traversal attack when extracting untrusted tarballs. Reproducer: <a href="http://git.busybox.net/busybox/commit/?id=a116552869db5e7793ae10968eb3c962c69b3d8c">http://git.busybox.net/busybox/commit/?id=a116552869db5e7793ae10968eb3c962c69b3d8c</a> CVE assignment: <a href="http://seclists.org/oss-sec/2015/q4/121">http://seclists.org/oss-sec/2015/q4/121</a>
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Busybox Busybox | <=1.21.1 | |
| Debian Debian Linux | =8.0 | |
| Debian Debian Linux | =9.0 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =18.10 | |
| Canonical Ubuntu Linux | =14.04 | |
| debian/busybox | 1:1.30.1-6 1:1.35.0-4 1:1.37.0-4 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1274215
- http://www.openwall.com/lists/oss-security/2015/10/21/7
- https://lists.debian.org/debian-lts-announce/2018/07/msg00037.html
- https://usn.ubuntu.com/3935-1/
- http://seclists.org/fulldisclosure/2019/Jun/18
- https://seclists.org/bugtraq/2019/Jun/14
- http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html
- http://seclists.org/fulldisclosure/2020/Aug/20
- https://lists.debian.org/debian-lts-announce/2021/02/msg00020.html
- https://launchpad.net/bugs/cve/CVE-2011-5325
- http://git.busybox.net/busybox/commit/?id=a116552869db5e7793ae10968eb3c962c69b3d8c
- http://seclists.org/oss-sec/2015/q4/121
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1274227
- https://bugs.busybox.net/8411
- https://security-tracker.debian.org/tracker/CVE-2011-5325
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-5325
- https://nvd.nist.gov/vuln/detail/CVE-2011-5325
- https://ubuntu.com/security/CVE-2011-5325
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2011-5325.
What is the severity of CVE-2011-5325?
The severity of CVE-2011-5325 is high with a CVSS score of 7.5.
How does CVE-2011-5325 work?
CVE-2011-5325 is a directory traversal vulnerability in the BusyBox implementation of tar before version 1.22.0 v5. It allows remote attackers to point to files outside the current working directory via a symlink.
Which software is affected by CVE-2011-5325?
The following software versions are affected by CVE-2011-5325: BusyBox before 1.22.0 v5, Debian Linux 8.0 and 9.0, and Canonical Ubuntu Linux 16.04, 18.04, 18.10, and 14.04.
How can I fix CVE-2011-5325?
To fix CVE-2011-5325, update BusyBox to version 1.22.0 v5 or later. For Debian Linux and Canonical Ubuntu Linux, update to the recommended versions specified in the remedy section of the affected software.
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